The Koshin 0114375 is a genuine replacement drive coupling designed for 3-inch (80mm) centrifugal pumps. This heavy-duty component connects the engine crankshaft to the pump impeller, ensuring efficient power transfer. Specifically engineered for the SEH and SEV professional series, this coupling features the precision-machined 8 mm specification required for a secure, vibration-free fit.

Technical Specifications

Compatible Models

This coupling is the standard replacement part for the following Koshin 3" pumps:

• SEH Series: SEH-80X, SEH-80P

• SEV Series: SEV-80X

• Other Models: Fits most Koshin 3-inch semi-trash and clear water pumps using an 8mm fastener/keyway system.

Key Features

• OEM Precision: A genuine Koshin Japan part ensures perfect alignment, preventing premature wear on the engine crankshaft and mechanical seal.

• Corrosion Resistant: Built to withstand harsh environments, including agricultural chemicals and construction site water.

• Direct Fit: Designed for the 80mm (3") volute housing, making it a "plug-and-play" repair part.